ReflectionFunctionAbstract::isUserDefined
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
ReflectionFunctionAbstract::isUserDefined — Checks if user defined
Description
Checks whether the function is user-defined, as opposed to internal.
Parameters
This function has no parameters.
Return Values
true if it's user-defined, otherwise false;
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